From aaaccfa4519775d8be47f5171d70f1ae05fba076 Mon Sep 17 00:00:00 2001
From: natureh <natureh@free.fr>
Date: Fri, 2 Sep 2011 14:57:36 +0200
Subject: [PATCH] Solving issue 681 completly : RT now search for an OS
 environment variable "RT_CACHE" first, in order to set the cache folder path
 (no "RawTherapeeXXX" subdirectory will be created). This variable is fully
 optional.

---
 rtgui/options.cc | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/rtgui/options.cc b/rtgui/options.cc
index 6598f6fb4..ef39b43a3 100644
--- a/rtgui/options.cc
+++ b/rtgui/options.cc
@@ -640,13 +640,18 @@ void Options::load () {
 		printf("SHGetSpecialFolderPathW: Fail!\n");
 	}*/
 
-	dataPath = g_getenv("LOCALAPPDATA");
+	dataPath = g_getenv("RT_CACHE");
 	if (dataPath != NULL)
-		rtdir = Glib::ustring(dataPath) + Glib::ustring("\\") + Glib::ustring(CACHEFOLDERNAME);
+		rtdir = Glib::ustring(dataPath);
 	else {
-		dataPath = g_getenv("USERPROFILE");
+		dataPath = g_getenv("LOCALAPPDATA");
 		if (dataPath != NULL)
-			rtdir = Glib::ustring(dataPath) + Glib::ustring("\\Local Settings\\Application Data\\") + Glib::ustring(CACHEFOLDERNAME);
+			rtdir = Glib::ustring(dataPath) + Glib::ustring("\\") + Glib::ustring(CACHEFOLDERNAME);
+		else {
+			dataPath = g_getenv("USERPROFILE");
+			if (dataPath != NULL)
+				rtdir = Glib::ustring(dataPath) + Glib::ustring("\\Local Settings\\Application Data\\") + Glib::ustring(CACHEFOLDERNAME);
+		}
 	}
 #else
     rtdir = Glib::ustring(g_get_user_config_dir ()) + Glib::ustring("/") + Glib::ustring(CACHEFOLDERNAME);